Dry mouth and bitter mouth can be identified through traditional Chinese medicine after the choice of traditional Chinese medicine treatment, mostly belongs to the stomach fire, liver fire, etc., can be used to clear the stomach powder, gentian diarrhea pills and other treatments. There is no such thing as a nemesis for dry mouth and bitterness. 1. Stomach fire: mainly manifested as dry mouth, bitter mouth, bad breath, belching and swallowing acid (swallowing the acid in the stomach up to the oropharynx), loss of appetite, epigastric (abdominal) pain and so on. It can be treated with Clear Stomach San. Toothache belongs to wind-cold and kidney deficiency and fire inflammation should not be used to clear the stomach powder. 2. Liver fire: mainly manifested as irritability, dry mouth, bitter mouth, red face and eyes, dizziness and tinnitus. Gentian Liver Pills can be used for treatment, note that those with weak spleen and stomach should not take for a long time, pregnant women and those with stomach cold should not be used with caution. 3. Heart fire: mainly manifested as palpitations (rapid heartbeat, often accompanied by panic), heartburn, dry mouth, bitter mouth, mouth and tongue sores, short and red urine (small amount of urine, dark yellow color), etc., can be used to guide the red powder treatment, the weak spleen and stomach should not be used with caution. If you need to use medication, you should go through a doctor’s diagnosis and follow the doctor’s instructions to standardize the treatment.